Our internal medicine services are provided by Dr. Claire M. Weigand, a board certified internist, and Dr. Amanda Gerard, Internal Medicine Specialist. Both doctors are specially trained to diagnose and treat your pet’s internal problems. With two decades of experience, Dr. Weigand has cared for thousands of pets with cancer, liver and kidney conditions, urinary tract problems, gastrointestinal disorders, endocrine and metabolic diseases, pain management, and respiratory issues.  Dr. Gerard brings experience managing small animal internal medicine cases, as well as extensive experience in oncology and medical neurology.

 VESH is able to provide advanced medical equipment, diagnostic imaging, and medications (such as chemotherapy) that are typically only found in a specialized hospital like ours. Our internal medicine services include:

We provide the diagnosis and treatment of:

  • Blood and bone marrow disorders
  • Cancer
  • Chronic pain
  • Diabetes
  • Endocrine disease
  • Foreign bodies
  • GI disease
  • Immune disorders
  • Kidney disease
  • Liver disease
  • Strictures 

VESH utilizes advanced diagnostics such as:

  • CT Imaging
  • Fluoroscopy
  • Digital X-ray
  • Contrast Studies
  • Ultrasound
  • GI Endoscopy
  • Colonoscopy
  • Rhinoscopy
  • Bronchoscopy
  • Cystoscopy
  • Aspirates
  • Biopsies

Learn More

Visit the American College of Veterinary Internal Medicine web site to read about the advanced education and training that specialists receive in this concentration to become board-certified veterinary internists.


Our internal medicine services also include:

  • Nutrition Counseling
  • Chronic Disease Care
  • Palliative Care
  • Geriatric Care

If you believe your pet may benefit from a consult with our Internal Medicine department, ask your regular veterinarian to provide a referral to VESH or call 413-665-4931.





Dr. Claire M. Weigand, DACVIM

Dr. Claire M. Weigand, DACVIM

Diplomate, American College of Veterinary Internal Medicine

A vital VESH team member since 2007, Dr. Weigand graduated from Auburn University’s College of Veterinary Medicine, completed her internship at Purdue University, then returned to Auburn for her residency. After holding faculty positions at Atlantic Veterinary College and Mississippi State University, she moved to New England in 1999 and became board certified by the American College of Veterinary Internal Medicine in 2000. 

With a love for both cats and dogs, Dr. Weigand shares her home with several of each! When not attending to her cats’ needs and demands, she enjoys snowshoeing, skiing, kayaking, and water training with her Newfoundland dogs.

Dr. Amanda Gerard, DVM

Dr. Amanda Gerard, DVM

Small Animal Internal Medicine

Dr. Gerard joined VESH in 2017, following her residency training in Small Animal Internal Medicine at Atlantic Veterinary College, University of Prince Edward Island in Canada. She graduated from Iowa State University of Veterinary Medicine in 2013 and consequently completed a rotating internship in small animal medicine there. Dr. Gerard has experience managing small animal internal medicine cases, as well as extensive experience in oncology and medical neurology.